package com.shoeshopping.filter.zx;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.shoeshopping.utils.zx.HttpSessionUtil;

public class AdminFilter implements Filter {

	@Override
	public void destroy() {

	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {

		HttpServletRequest req = (HttpServletRequest) arg0;
		HttpServletResponse res = (HttpServletResponse) arg1;
		
		String url = req.getRequestURI();
		System.out.println("AdminFilter : url = "+url);
		String amdinId = HttpSessionUtil.shareHttpSessionUtil().getAdminId();
		
		if(amdinId == null){
			url = req.getContextPath() + "/admin/admin_login.jsp";
			System.out.println("AdminFilter :　amdinId is null,redirect to "+url);
			res.sendRedirect(url);
		} else{
			arg0.setCharacterEncoding("UTF-8");
			arg1.setContentType("text/html;charset=UTF-8");
			arg2.doFilter(req, res);
		}
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {

	}

}
